VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
Family of Repeater/Retimer and Port
Bypass Circuits for Fibre Channel
VSC7127/VSC7129
Package Pin Descriptions
Figure 5: Pin Diagram
43
41
39
37
35
33
31
29
27
25
23
VSS
VSS
VDD
I1-
1
VDDA
O4+
3
O4-
I1+
VDDP4
I4+
5
VDDP1
O1-
VSC7127
VSC7129
I4-
7
O1+
VSS
I0-
VDDP0
O0-
9
O0+
I0+
PIN23*
11
VSS
13
15
17
19
21
* See Tables 3 and 4 for Pin Differences and Description
Table 3: VSC7124/VSC7127/VSC7129 Pin Differences
Pin 12 Pin 13 Pin 32 Pin 19 Pin 20 Pin 21 Pin 22 Pin 23
Comment
(1)
VSC7124
N/C
N/C
VDD
VSS
VSS
N/C
SIGDET
VDD
VDD
VDD
SEL5
N/C
SEL5
TRST
N/C
Provided for reference only
VSC7127 MODE REFCLK VDDA
VSC7129 MODE REFCLK VDDA
TRST Compatible with HDMP-0451
VSS Compatible with HDMP-0452
SIGDET
NOTE: (1) The VSC7124 is a 5 PBC device similar to the VSC7127/VSC7129 without the FibreTimer™ Repeater/Retimer functionality.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 8
G52298-0, Rev 4.3
05/01/01
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
